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(detect_eol, decode_eol): Handle text with DOS-style EOLs that also has

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stray ^M characters.
This commit is contained in:
Eli Zaretskii 2009-01-30 15:46:03 +00:00
parent 3951477883
commit 75f4f1ac04
2 changed files with 35 additions and 8 deletions
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38
src/coding.c
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@ -5819,16 +5819,26 @@ detect_eol (source, src_bytes, category)
|| src[lsb + 2] != '\n')
this_eol = EOL_SEEN_CR;
else
this_eol = EOL_SEEN_CRLF;
{
this_eol = EOL_SEEN_CRLF;
src += 2;
}
if (eol_seen == EOL_SEEN_NONE)
/* This is the first end-of-line. */
eol_seen = this_eol;
else if (eol_seen != this_eol)
{
/* The found type is different from what found before. */
eol_seen = EOL_SEEN_LF;
break;
/* The found type is different from what found before.
Allow for stray ^M characters in DOS EOL files. */
if (eol_seen == EOL_SEEN_CR && this_eol == EOL_SEEN_CRLF
|| eol_seen == EOL_SEEN_CRLF && this_eol == EOL_SEEN_CR)
eol_seen = EOL_SEEN_CRLF;
else
{
eol_seen = EOL_SEEN_LF;
break;
}
}
if (++total == MAX_EOL_CHECK_COUNT)
break;
@ -5857,9 +5867,16 @@ detect_eol (source, src_bytes, category)
eol_seen = this_eol;
else if (eol_seen != this_eol)
{
/* The found type is different from what found before. */
eol_seen = EOL_SEEN_LF;
break;
/* The found type is different from what found before.
Allow for stray ^M characters in DOS EOL files. */
if (eol_seen == EOL_SEEN_CR && this_eol == EOL_SEEN_CRLF
|| eol_seen == EOL_SEEN_CRLF && this_eol == EOL_SEEN_CR)
eol_seen = EOL_SEEN_CRLF;
else
{
eol_seen = EOL_SEEN_LF;
break;
}
}
if (++total == MAX_EOL_CHECK_COUNT)
break;
@ -6114,7 +6131,12 @@ decode_eol (coding)
eol_seen |= EOL_SEEN_CR;
}
}
if (eol_seen != EOL_SEEN_NONE
/* Handle DOS-style EOLs in a file with stray ^M characters. */
if ((eol_seen & EOL_SEEN_CRLF) != 0
&& (eol_seen & EOL_SEEN_CR) != 0
&& (eol_seen & EOL_SEEN_LF) == 0)
eol_seen = EOL_SEEN_CRLF;
else if (eol_seen != EOL_SEEN_NONE
&& eol_seen != EOL_SEEN_LF
&& eol_seen != EOL_SEEN_CRLF
&& eol_seen != EOL_SEEN_CR)